Answer:
The correct answer is that the average speed of Usain Bolt in 2009 was 10.42 meters per second.
Step-by-step explanation:
1. Let's check the information given to resolve the question:
World Record time of Usain Bolt = 9 seconds 3/5
Distance = 100 meters
Find his average speed in meters per second
2. Let's find the average speed of Usain Bolt in 2009:
World Record time of Usain Bolt = 9 seconds 3/5 = 9.6 seconds (3/5 = 0.6)
World Record time of Usain Bolt = Distance / World Record time
World Record time of Usain Bolt = 100 meters /9.6 seconds
World Record time of Usain Bolt = 10.416666 meters per second
World Record time of Usain Bolt = 10.42 meters per second (Rounding to two decimal places)
The correct answer is that the average speed of Usain Bolt in 2009 was 10.42 meters per second.
